[R] how to replace the second "-"

ronggui
Fri, 20 Oct 2006 03:22:32 -0000

I have a string vector like these:
[1] "1-1-1" "1-1-2" "1-2-1"

And I wanna replace the second "-" with "0", that is, I
wanna get the result
like: [1] "1-101" "1-102" "1-201".

How should I write the Regular Expressions? Thanks!

--
»ÆÈÙ¹ó
Department of Sociology
Fudan University

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